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UPSTREAM: kasan: KASAN_VMALLOC depends on KASAN_GENERIC

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[ Upstream commit 71f6af6d52 ]

Currently only generic KASAN mode supports vmalloc, reflect that in the
config.

Link: https://lkml.kernel.org/r/0c493d3a065ad95b04313d00244e884a7e2498ff.1606161801.git.andreyknvl@google.com
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Reviewed-by: Marco Elver <elver@google.com>
Reviewed-by: Alexander Potapenko <glider@google.com>
Tested-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Branislav Rankov <Branislav.Rankov@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Evgenii Stepanov <eugenis@google.com>
Cc: Kevin Brodsky <kevin.brodsky@arm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Bug: 172318110
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Change-Id: I88ed0821d7c47355e44990550393ae53d90af77d
This commit is contained in:
Andrey Konovalov 2020-12-22 12:00:10 -08:00 committed by Alistair Delva
parent 40dee1d96e
commit d9d1610f1f
1 changed files with 1 additions and 1 deletions
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2
lib/Kconfig.kasan
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@ -155,7 +155,7 @@ config KASAN_SW_TAGS_IDENTIFY
config KASAN_VMALLOC
bool "Back mappings in vmalloc space with real shadow memory"
depends on HAVE_ARCH_KASAN_VMALLOC
depends on KASAN_GENERIC && HAVE_ARCH_KASAN_VMALLOC
help
By default, the shadow region for vmalloc space is the read-only
zero page. This means that KASAN cannot detect errors involving